package com.lyb.widget;

import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.RectF;
import android.graphics.Typeface;
import android.os.Handler;
import android.util.AttributeSet;
import android.view.View;

import com.lyb.R;
import com.lyb.app.App;


/**
 * 线程安全的View，可直接在线程中更新进度
 */
public class RoundProgressBar extends View {
    /**
     * 画笔对象的引用
     */
    private Paint paint;

    /**
     * 圆环的颜色
     */
    private int roundColor;

    /**
     * 圆环背景颜色
     */
    private int bgColor;

    /**
     * 圆环进度的颜色
     */
    private int roundProgressColor;

    /**
     * 中间进度百分比的字符串的颜色
     */
    private int textColor;

    /**
     * 中间进度百分比的字符串的字体
     */
    private float textSize;

    /**
     * .圆环的宽度
     */
    private float roundWidth;

    /**
     * 最大进度
     */
    private int max;

    /**
     * 当前进度
     */
    private float   progress;
    /**
     * 是否显示中间的进度
     */
    private boolean textIsDisplayable;

    /**
     * 进度的风格，实心或者空心
     */
    private Context mContext;
    private int     style;
    private int     percent;
    public static final int STROKE      = 0;
    public static final int FILL        = 1;
    private             int curProgress = 1;
    private int maxProgress;
    private static final int     INTERVAL = 1;
    private              Handler mHandler = new Handler();

    public RoundProgressBar(Context context) {
        this(context, null);
    }

    public RoundProgressBar(Context context, AttributeSet attrs) {
        this(context, attrs, 0);
    }

    public RoundProgressBar(Context context, AttributeSet attrs, int defStyle) {
        super(context, attrs, defStyle);

        paint = new Paint();

        TypedArray mTypedArray = context.obtainStyledAttributes(attrs,
                R.styleable.RoundProgressBar);

        // 获取自定义属性和默认值
        roundColor = mTypedArray.getColor(
                R.styleable.RoundProgressBar_roundColor,
                Color.argb(100, 0x99, 0x99, 0x99));
        bgColor = mTypedArray.getColor(
                R.styleable.RoundProgressBar_bgColor,
                Color.argb(0xff, 0xff, 0xff, 0xff));
        roundProgressColor = mTypedArray.getColor(
                R.styleable.RoundProgressBar_roundProgressColor, getResources().getColor(R.color.theme_color));
        textColor = mTypedArray.getColor(
                R.styleable.RoundProgressBar_roundtextColor, getResources().getColor(R.color.theme_color));
        textSize = mTypedArray.getDimension(
                R.styleable.RoundProgressBar_roundtextColor, 16);
        roundWidth = mTypedArray.getDimension(
                R.styleable.RoundProgressBar_roundWidth, 5);
        max = mTypedArray.getInteger(R.styleable.RoundProgressBar_max, 100);
        textIsDisplayable = mTypedArray.getBoolean(
                R.styleable.RoundProgressBar_textIsDisplayable, false);
        style = mTypedArray.getInt(R.styleable.RoundProgressBar_style, 0);

        mTypedArray.recycle();
    }

    private void drawCircleBg(Canvas canvas, int centre, int radius) {

        paint.setColor(bgColor);
        paint.setStyle(Paint.Style.FILL);
        canvas.drawCircle(centre, centre, radius - roundWidth / 2, paint);

        paint.setColor(roundColor); // 设置圆环的颜色
        paint.setStyle(Paint.Style.STROKE); // 设置空心
        paint.setStrokeWidth(roundWidth); // 设置圆环的宽度
    }

    @Override
    protected void onDraw(final Canvas canvas) {
        super.onDraw(canvas);

        /**
         * 画最外层的大圆环
         */
        int centre = getWidth() / 2; // 获取圆心的x坐标
        int radius = (int) (centre - roundWidth / 2); // 圆环的半径

        paint.setColor(roundColor); // 设置圆环的颜色
        paint.setStyle(Paint.Style.STROKE); // 设置空心
        paint.setStrokeWidth(roundWidth); // 设置圆环的宽度
        paint.setAntiAlias(true); // 消除锯齿
        canvas.drawCircle(centre, centre, radius, paint); // 画出圆环

        //画圆环背景
        drawCircleBg(canvas, centre, radius);

        /**
         * 画进度百分比
         */
        paint.setStrokeWidth(0);
        if (percent == 100) {
            //			paint.setColor(Color.argb(100, 0xbb, 0xbb, 0xbb));
            //			paint.setColor(getResources().getColor(R.color.global_red_color));
            paint.setColor(getResources().getColor(R.color.theme_color));
        } else {
            paint.setColor(textColor);
        }
        paint.setTextSize(App.mApp.dip2px(textSize));

        paint.setTypeface(Typeface.DEFAULT_BOLD); // 设置字体
        percent = (int) (((float) progress / (float) max) * 100); // 中间的进度百分比，先转换成float在进行除法运算，不然都为0
        float textWidth = paint.measureText(percent + "%"); // 测量字体宽度，我们需要根据字体的宽度设置在圆环中间

        if (textIsDisplayable && style == STROKE) {
            canvas.drawText(percent + "%", centre - textWidth / 2, centre
                    + textSize / 2, paint); // 画出进度百分比
        }

        /**
         * 画圆弧 ，画圆环的进度
         */

        // 设置进度是实心还是空心
        paint.setStrokeWidth(roundWidth); // 设置圆环的宽度
        if (percent == 100) {
            //			paint.setColor(Color.argb(100, 0x99, 0x99, 0x99));
            //			paint.setColor(getResources().getColor(R.color.global_red_color));
            paint.setColor(getResources().getColor(R.color.theme_color));
        } else {
            paint.setColor(roundProgressColor); // 设置进度的颜色

        }
        final RectF oval = new RectF(centre - radius, centre - radius, centre
                + radius, centre + radius); // 用于定义的圆弧的形状和大小的界限

        switch (style) {
            case STROKE: {
                paint.setStyle(Paint.Style.STROKE);
                canvas.drawArc(oval, 180, 360 * progress / max, false, paint); // 根据进度画圆弧


                break;
            }
            case FILL: {
                paint.setStyle(Paint.Style.FILL_AND_STROKE);
                if (progress != 0)
                    canvas.drawArc(oval, 180, 360 * progress / max, false, paint); // 根据进度画圆弧

                break;
            }
            default:
                break;
        }

    }

    public synchronized int getMax() {
        return max;
    }

    /**
     * 设置进度的最大值
     * @param max
     */
    public synchronized void setMax(int max) {
        if (max < 0) {
            throw new IllegalArgumentException("max not less than 0");
        }
        this.max = max;
    }

    /**
     * 获取进度.需要同步
     * @return
     */
    public synchronized float getProgress() {
        return progress;
    }

    /**
     * 设置进度，此为线程安全控件，由于考虑多线的问题，需要同步 刷新界面调用postInvalidate()能在非UI线程刷新
     * @param progress
     */
    public void setProgress(float progress) {
        if (progress < 0) {
            throw new IllegalArgumentException("progress not less than 0");
        }
        if (progress > max) {
            progress = max;
        }
        if (progress <= max) {
            this.progress = progress;
            postInvalidate();
        }
    }

    public synchronized void setAnimProgress(int progress, boolean isMax) {
        maxProgress = progress;
        curProgress = 0;
        //		if(progress==0)
        //		{
        //			mHandler1.sendEmptyMessageDelayed(INTERVAL, progress);
        //		}else {
        //			mHandler1.sendEmptyMessageDelayed(INTERVAL, 250/progress);
        //		}

        if (!isMax) {
            mHandler1.sendEmptyMessageDelayed(INTERVAL, 1);

        } else {
            mHandler1.removeMessages(INTERVAL);
            setProgress(progress);
        }

    }


    private Handler mHandler1 = new Handler() {
        @Override
        public void handleMessage(android.os.Message msg) {
            switch (msg.what) {
                case INTERVAL:
                    if (curProgress < maxProgress) {
                        setProgress(curProgress);
                        curProgress += 1;
                        //					if(progress==0)
                        //					{
                        //						mHandler1.sendEmptyMessageDelayed(INTERVAL, progress);
                        //					}else {
                        //						mHandler1.sendEmptyMessageDelayed(INTERVAL, 250/progress);
                        //					}
                        mHandler1.sendEmptyMessageDelayed(INTERVAL, 10);
                    } else {
                        setProgress(curProgress);
                    }
                    break;
                default:
                    setProgress(curProgress);
                    break;
            }
        }

        ;
    };

    public synchronized void showText(boolean show) {
        textIsDisplayable = show;
    }

    public int getCricleColor() {
        return roundColor;
    }

    public void setCricleColor(int cricleColor) {
        this.roundColor = cricleColor;
    }

    public int getCricleProgressColor() {
        return roundProgressColor;
    }

    public void setCricleProgressColor(int cricleProgressColor) {
        this.roundProgressColor = cricleProgressColor;
    }

    public int getTextColor() {
        return textColor;
    }

    public void setTextColor(int textColor) {
        this.textColor = textColor;
    }

    public float getTextSize() {
        return textSize;
    }

    public void setTextSize(float textSize) {
        this.textSize = textSize;
    }

    public float getRoundWidth() {
        return roundWidth;
    }

    public void setRoundWidth(float roundWidth) {
        this.roundWidth = roundWidth;
    }

}
